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Explore the phenomenon of eutrophication by learning the reasons behind the novel algal blooms observed in Lake Superior, the impact that climate change has on algal blooms, and how toxic algal blooms affect the Great Lakes.
Science
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Learn how wind turbines work in this engaging video by the National Renewable energy Laboratory (NREL). This video is part [...]
https://youtu.be/lTbNWcxedYMTree identification is a popular hobby and one of the first steps in better understanding our forests. Part 2 of [...]
4th Grade, 5th Grade, 6th Grade, 7th Grade, 8th Grade
Yup, it's true! Trees employ both photosynthesis AND respiration, although some people associate respiration only with animals.